Analysis
- max time kernel
31s - max time network
68s - platform
windows10_x64 - resource
win10v20201028 - submitted
02/11/2020, 15:38
Static task
static1
Behavioral task
behavioral1
Sample
bb12150fd82dd524055d932123c638de.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
bb12150fd82dd524055d932123c638de.exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target bb12150fd82dd524055d932123c638de.exe
- Size 618KB
- Sample201102-aqap2shv4n
- SHA256 7e1b96872b00e3bfa44ccedf1447a0ea1effdc0823da23e78cf02358f78ce0e4
- MD5 bb12150fd82dd524055d932123c638de
- SHA1 8c8fb3c23db0194caddb4d534b401b1c46d9b37c
- SHA512 fdf671e4f2bb2bc7aaff88f2b2a2cbd59b1a5815e87e660d1a86958bf387fa756f44cf34946d94429bf8586c6bb514dbb7d7a6718c4c9d5a04f867065de20f6d
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine Payload 2 IoCs
resource yara_rule behavioral2/memory/732-41-0x0000000005490000-0x00000000054B4000-memory.dmp family_redline behavioral2/memory/732-46-0x0000000005510000-0x0000000005532000-memory.dmp family_redline - Executes dropped EXE 1 IoCs
pid Process 2272 bestof.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 15 ip-api.com 23 checkip.amazonaws.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2272 set thread context of 732 2272 bestof.exe 87 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 8 IoCs
pid pid_target Process procid_target 3980 632 WerFault.exe 67 412 632 WerFault.exe 67 936 632 WerFault.exe 67 3008 632 WerFault.exe 67 3456 632 WerFault.exe 67 2588 632 WerFault.exe 67 3968 632 WerFault.exe 67 3748 632 WerFault.exe 67 - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 bb12150fd82dd524055d932123c638de.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString bb12150fd82dd524055d932123c638de.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 2880 PING.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3980 WerFault.exe 3980 WerFault.exe 3980 WerFault.exe 3980 WerFault.exe 3980 WerFault.exe 3980 WerFault.exe 3980 WerFault.exe 3980 WerFault.exe 3980 WerFault.exe 3980 WerFault.exe 3980 WerFault.exe 3980 WerFault.exe 3980 WerFault.exe 3980 WerFault.exe 412 WerFault.exe 412 WerFault.exe 412 WerFault.exe 412 WerFault.exe 412 WerFault.exe 412 WerFault.exe 412 WerFault.exe 412 WerFault.exe 412 WerFault.exe 412 WerFault.exe 412 WerFault.exe 412 WerFault.exe 412 WerFault.exe 412 WerFault.exe 936 WerFault.exe 936 WerFault.exe 936 WerFault.exe 936 WerFault.exe 936 WerFault.exe 936 WerFault.exe 936 WerFault.exe 936 WerFault.exe 936 WerFault.exe 936 WerFault.exe 936 WerFault.exe 936 WerFault.exe 936 WerFault.exe 936 WerFault.exe 3008 WerFault.exe 3008 WerFault.exe 3008 WerFault.exe 3008 WerFault.exe 3008 WerFault.exe 3008 WerFault.exe 3008 WerFault.exe 3008 WerFault.exe 3008 WerFault.exe 3008 WerFault.exe 3008 WerFault.exe 3008 WerFault.exe 3008 WerFault.exe 3008 WerFault.exe 3456 WerFault.exe 3456 WerFault.exe 3456 WerFault.exe 3456 WerFault.exe 3456 WerFault.exe 3456 WerFault.exe 3456 WerFault.exe 3456 WerFault.exe - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeRestorePrivilege 3980 WerFault.exe Token: SeBackupPrivilege 3980 WerFault.exe Token: SeDebugPrivilege 3980 WerFault.exe Token: SeDebugPrivilege 412 WerFault.exe Token: SeDebugPrivilege 936 WerFault.exe Token: SeDebugPrivilege 3008 WerFault.exe Token: SeDebugPrivilege 3456 WerFault.exe Token: SeDebugPrivilege 2272 bestof.exe Token: SeDebugPrivilege 2588 WerFault.exe Token: SeDebugPrivilege 3968 WerFault.exe Token: SeDebugPrivilege 3748 WerFault.exe Token: SeDebugPrivilege 732 AddInProcess32.exe - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 632 wrote to memory of 2272 632 bb12150fd82dd524055d932123c638de.exe 83 PID 632 wrote to memory of 2272 632 bb12150fd82dd524055d932123c638de.exe 83 PID 632 wrote to memory of 2272 632 bb12150fd82dd524055d932123c638de.exe 83 PID 2272 wrote to memory of 732 2272 bestof.exe 87 PID 2272 wrote to memory of 732 2272 bestof.exe 87 PID 2272 wrote to memory of 732 2272 bestof.exe 87 PID 2272 wrote to memory of 732 2272 bestof.exe 87 PID 2272 wrote to memory of 732 2272 bestof.exe 87 PID 2272 wrote to memory of 732 2272 bestof.exe 87 PID 2272 wrote to memory of 732 2272 bestof.exe 87 PID 2272 wrote to memory of 732 2272 bestof.exe 87 PID 2272 wrote to memory of 732 2272 bestof.exe 87 PID 732 wrote to memory of 4052 732 AddInProcess32.exe 89 PID 732 wrote to memory of 4052 732 AddInProcess32.exe 89 PID 732 wrote to memory of 4052 732 AddInProcess32.exe 89 PID 4052 wrote to memory of 2880 4052 cmd.exe 91 PID 4052 wrote to memory of 2880 4052 cmd.exe 91 PID 4052 wrote to memory of 2880 4052 cmd.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\bb12150fd82dd524055d932123c638de.exe"C:\Users\Admin\AppData\Local\Temp\bb12150fd82dd524055d932123c638de.exe"1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:632 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 7602⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 8682⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:412
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 12122⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 15722⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 15402⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3456
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C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exebestof.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2272 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:732 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""4⤵
- Suspicious use of WriteProcessMemory
PID:4052 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 35⤵
- Runs ping.exe
PID:2880
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 16562⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:2588
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 19042⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:3968
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 19282⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:3748
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